Folsom is a village in St. Tammany Parish, Louisiana, United States.
The town is named after the wife of Grover Cleveland, Frances Folsom.
Folsom is located along Louisiana Highway 25 approximately 12 miles north-northwest of Covington.
[6] According to the United States Census Bureau, the village has a total area of 1.7 square miles (4.3 km2), all land.
St. Tammany Parish Public Schools serves Folsom residents.